Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10252642 | Input device having an operation knob | — | 2019-04-09 |
| 7772509 | Multi-directional switching assembly which prevents rattling of drive members | Yongwoon Lee | 2010-08-10 |